Chiang-mai to Chiang-rai

Distance and Duration
The distance between the two cities is 186km. The bus journey usually takes between 3.5 and 4 hours, depending on traffic and stops. 

Operators
There are three buses between Chiang Mai and Chiang Rai, all operated by the same company: Greenbus, Greenbus Express, and Greenbus VIP. Greenbus is the cheapest, followed by Greenbus Express, and Greenbus VIP is the most expensive. 

Fares and Timings
The cost of bus tickets to Chiang Rai typically ranges from 250 to 450 THB. All the buses depart from Chiang Mai Bus Terminal 3 and drop off at Chiang Rai Bus Terminal. The first bus leaves at 7 in the morning and runs throughout the day until the last bus leaves at 6 in the evening. It is the most preferred way to travel as it offers options for the most comfortable and affordable journey.

Route
The route from Chiang Mai to Chiang Rai typically follows Highway 118, which runs northeast from Chiang Mai through scenic countryside and small towns before reaching Chiang Rai. This route offers beautiful views of northern Thailand's landscape along the way.

Traveling from Chiang Mai to Chiang Rai by taxi is convenient, offering flexibility and comfort.

Duration and Route
It is the quickest way to reach as it only takes 3 hours, and the most common route is along Highway 118 and 1. 

Fares
Depending on your car type, the fares are almost 2,000 to 3,000 THB. 

Operators
Operators like Firts Transport Services, Glassflower, etc., operate regularly. They also have various vehicle types, such as sedans and SUVs, which run daily.